package top.sunsetlab.utils;

import com.google.gson.Gson;
import org.bukkit.Location;
import org.bukkit.entity.Player;
import top.sunsetlab.PluginMain;
import top.sunsetlab.actions.IActionBase;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;

class ActionList {
    ArrayList<String> locations;
}

/**
 * 动作管理器
 */
public class ActionManager {
    private final HashMap<String, JsonAction> actions;
    public ActionManager() {
        actions = new HashMap<>();
    }

    /**
     * 初始化
     */
    public void load() {
        // 从本地文件读取
        InputStream is = ActionManager.class.getResourceAsStream("/actions.json");
        if (is == null) {
            throw new RuntimeException("actions.json file not found!");
        }
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        // 解析json
        Gson gson = new Gson();
        ActionList actionList = gson.fromJson(reader, ActionList.class);
        // 加载单个动作
        for (String location : actionList.locations) {
            JsonAction action = new JsonAction(location);
            actions.put(action.getId(), action);
        }
        PluginMain.LOGGER.info("Loaded " + actions.size() + " actions.");
    }

    /**
     * 调用动作
     * @param actionId 动作id
     * @param location 执行位置
     * @param caller 执行者
     * @return 动作是否执行成功，sync动作始终返回true
     */
    public boolean call(String actionId, Location location, Player caller) {
        // 获取动作
        JsonAction action = actions.get(actionId);
        if (action == null) {
            throw new RuntimeException("Invalid action id " + actionId);
        }
        return action.run(location, caller);
    }
}